NR 226 EXAM 2 sleep fluid and electrolytes Questions And Answers
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Course
NR 226
Institution
NR 226
hypernatremia
~ greater than 145, water loss, excess sodium, decreased na excretion from renal
failure, cortiocosteroids or incrased water loss, fever, infection, hyperventilation,
sweating, diarrhea
s/s of hyternatremia
~ FIRED, fever, restless, increased fluid retention, edema, and dec...
NR 226 EXAM 2 sleep fluid
and electrolytes Questions
And Answers
sleep
✓~ an altered state of consciousness where perception of and reaction to environment
is decreased
sleep deprivation
✓~ condition of not having enough sleep, can be either chronic or acute
chronic sleep deprivation
✓~ restricted state can cause fatigue, daytime sleepiness, clumsiness and weight gain,
adversely affects the brain and cognitive function
sleep pattern disturbance
, ✓~ due to decreased physical activity, fear, anxiety, inability to assume usual sleep
position, frequent assessments or treatments, unfamiliar environment, and discomfort
resulting from current illness/injury
circadian rhythms
✓~ biological clock, synchronized to light-dark cycles, and cues in organisms
environment, going to bed at the same time every night
sleep regulation
✓~ regulated by a sequence of physiological states integrated by CNS activity
stages of sleep
✓~ 1,2,3,4 and REM
sleep cycle
✓~ once asleep a person passes through 4 to 5 sleep cycles
stage 1: NREM
, ✓~ lightest level of sleep, lasts a few minutes, decreased physiological activity
beginning with a gradual fall in vital signs and metabolism, person easily aroused by
sensory stimuli such as noise, in person awakes, feels as though daydreaming has
occurred, reduction in a autonomic activities,
stage 2: NREM sleep
✓~ period of sound sleep, relaxation progresses, arousal still easy, lasts 10 to 20
minutes, body functions still slowing, at this stage, you might want to leave them
sleeping, if it is possible try not to wake them up for vital sign checks or other routine
testing
stage 3: NREM
✓~ initial stages of deep sleep, sleeper difficult to arouse and rarely moves, muscles
completely relaxed, vital signs decline but remain regular, lasts 15 to 30 minutes,
hormonal response includes secretion of growth hormone (especially in children in
stage 3 &4)
stage 4: NREM
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